Memoranda on the Maya Calendars Used in the Books of Chilan Balam

"Memoranda on the Maya Calendars Used in the Books of Chilan Balam" by Charles P. Bowditch is a study of the Maya calendar as it appears in the ancient Books of Chilan Balam. It carefully looks at how the Maya people calculated dates and marked time, comparing their methods to other ways of tracking the years. The publication aims to make clear the timeline of Maya history and to better understand when key events took place by breaking down passages, like the recorded death of Ahpula in 1536, and pointing out differences in calculations of time and length. It also examines the katun and correlating dates from places like Copan and Quirigua, working through the various ways in which Maya timekeeping has been understood, ultimately adding to how we understand the history of this ancient society and showcases the author's effort to clarify their complex system of calendars.